BaseClient::refreshTokens() - Code Metrics - Inspection of "Draft: Refactor BEditaClient" - bedita/php-sdk - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#38)

by Dante

created 2022-04-14 10:07 UTC

BaseClient::refreshTokens() A

↳ Parent: BaseClient

Complexity

Conditions	3
Paths	3

Size

Total Lines	17
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	3
eloc	9
c	1
b	0
f	0
nc	3
nop	0
dl	0
loc	17
rs	9.9666

<?php
/**
 * BEdita, API-first content management framework
 * Copyright 2022 Atlas Srl, ChannelWeb Srl, Chialab Srl
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 */

namespace BEdita\SDK;

use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Uri;
use Http\Adapter\Guzzle7\Client;
use Psr\Http\Message\ResponseInterface;
use WoohooLabs\Yang\JsonApi\Client\JsonApiClient;

class BaseClient
{
    use LogTrait;

    /**
     * Last response.
     *
     * @var \Psr\Http\Message\ResponseInterface
     */
    private $response = null;

    /**
     * BEdita4 API base URL
     *
     * @var string
     */
    private $apiBaseUrl = null;

    /**
     * BEdita4 API KEY
     *
     * @var string
     */
    private $apiKey = null;

    /**
     * Default headers in request
     *
     * @var array
     */
    private $defaultHeaders = [
        'Accept' => 'application/vnd.api+json',
    ];

    /**
     * Default headers in request
     *
     * @var array
     */
    private $defaultContentTypeHeader = [
        'Content-Type' => 'application/json',
    ];

    /**
     * JWT Auth tokens
     *
     * @var array
     */
    private $tokens = [];

    /**
     * JSON API BEdita4 client
     *
     * @var \WoohooLabs\Yang\JsonApi\Client\JsonApiClient
     */
    private $jsonApiClient = null;

    /**
     * Setup main client options:
     *  - API base URL
     *  - API KEY
     *  - Auth tokens 'jwt' and 'renew' (optional)
     *
     * @param string $apiUrl API base URL
     * @param string|null $apiKey API key
     * @param array $tokens JWT Autorization tokens as associative array ['jwt' => '###', 'renew' => '###']
     * @param array $guzzleConfig Additional default configuration for GuzzleHTTP client.
     * @return void
     */
    public function __construct(string $apiUrl, ?string $apiKey = null, array $tokens = [], array $guzzleConfig = [])
    {
        $this->apiBaseUrl = $apiUrl;
        $this->apiKey = $apiKey;

        $this->defaultHeaders['X-Api-Key'] = $this->apiKey;
        $this->setupTokens($tokens);

        // setup an asynchronous JSON API client
        $guzzleClient = Client::createWithConfig($guzzleConfig);
        $this->jsonApiClient = new JsonApiClient($guzzleClient);
    }

    /**
     * Setup JWT access and refresh tokens.
     *
     * @param array $tokens JWT tokens as associative array ['jwt' => '###', 'renew' => '###']
     * @return void
     */
    public function setupTokens(array $tokens): void
    {
        $this->tokens = $tokens;
        if (!empty($tokens['jwt'])) {
            $this->defaultHeaders['Authorization'] = sprintf('Bearer %s', $tokens['jwt']);
        } else {
            unset($this->defaultHeaders['Authorization']);
        }
    }

    /**
     * Get default headers in use on every request
     *
     * @return array Default headers
     */
    public function getDefaultHeaders(): array
    {
        return $this->defaultHeaders;
    }

    /**
     * Get API base URL used tokens
     *
     * @return string API base URL
     */
    public function getApiBaseUrl(): string
    {
        return $this->apiBaseUrl;
    }

    /**
     * Get current used tokens
     *
     * @return array Current tokens
     */
    public function getTokens(): array
    {
        return $this->tokens;
    }

    /**
     * Get last HTTP response
     *
     * @return ResponseInterface|null Response PSR interface
     */
    public function getResponse(): ?ResponseInterface
    {
        return $this->response;
    }

    /**
     * Get HTTP response status code
     * Return null if no response is available
     *
     * @return int|null Status code.
     */
    public function getStatusCode(): ?int
    {
        return $this->response ? $this->response->getStatusCode() : null;
    }

    /**
     * Get HTTP response status message
     * Return null if no response is available
     *
     * @return string|null Message related to status code.
     */
    public function getStatusMessage(): ?string
    {
        return $this->response ? $this->response->getReasonPhrase() : null;
    }

    /**
     * Get response body serialized into a PHP array
     *
     * @return array|null Response body as PHP array.
     */
    public function getResponseBody(): ?array
    {
        $response = $this->getResponse();
        if (empty($response)) {
            return null;
        }
        $responseBody = json_decode((string)$response->getBody(), true);
        if (!is_array($responseBody)) {
            return null;
        }

        return $responseBody;
    }

    /**
     * Refresh JWT access token.
     *
     * On success `$this->tokens` data will be updated with new access and renew tokens.
     *
     * @throws \BadMethodCallException Throws an exception if client has no renew token available.
     * @throws \Cake\Network\Exception\ServiceUnavailableException Throws an exception if server response doesn't
     *      include the expected data.
     * @return void
     * @throws BEditaClientException Throws an exception if server response code is not 20x.
     */
    public function refreshTokens(): void
    {
        if (empty($this->tokens['renew'])) {
            throw new \BadMethodCallException('You must be logged in to renew token');
        }

        $headers = [
            'Authorization' => sprintf('Bearer %s', $this->tokens['renew']),
        ];

        $this->sendRequest('POST', '/auth', [], $headers);
        $body = $this->getResponseBody();
        if (empty($body['meta']['jwt'])) {
            throw new BEditaClientException('Invalid response from server');
        }

        $this->setupTokens($body['meta']);
    }

    /**
     * Send a generic JSON API request with a basic retry policy on expired token exception.
     *
     * @param string $method HTTP Method.
     * @param string $path Endpoint URL path.
     * @param array|null $query Query string parameters.
     * @param string[]|null $headers Custom request headers.
     * @param string|resource|\Psr\Http\Message\StreamInterface|null $body Request body.
     * @return \Psr\Http\Message\ResponseInterface
     */
    protected function sendRequestRetry(string $method, string $path, ?array $query = null, ?array $headers = null, $body = null): ResponseInterface
    {
        try {
            return $this->sendRequest($method, $path, $query, $headers, $body);
        } catch (BEditaClientException $e) {
            // Handle error.
            $attributes = $e->getAttributes();
            if ($e->getCode() !== 401 || empty($attributes['code']) || $attributes['code'] !== 'be_token_expired') {
                // Not an expired token's fault.
                throw $e;
            }

            // Refresh and retry.
            $this->refreshTokens();
            unset($headers['Authorization']);

            return $this->sendRequest($method, $path, $query, $headers, $body);
        }
    }

    /**
     * Send a generic JSON API request and retrieve response $this->response
     *
     * @param string $method HTTP Method.
     * @param string $path Endpoint URL path (with or without starting `/`) or absolute API path
     * @param array|null $query Query string parameters.
     * @param string[]|null $headers Custom request headers.
     * @param string|resource|\Psr\Http\Message\StreamInterface|null $body Request body.
     * @return \Psr\Http\Message\ResponseInterface
     * @throws BEditaClientException Throws an exception if server response code is not 20x.
     */
    protected function sendRequest(string $method, string $path, ?array $query = null, ?array $headers = null, $body = null): ResponseInterface
    {
        $uri = $this->requestUri($path, $query);
        $headers = array_merge($this->defaultHeaders, (array)$headers);

        // set default `Content-Type` if not set and $body not empty
        if (!empty($body)) {
            $headers = array_merge($this->defaultContentTypeHeader, $headers);
        }

        // Send the request synchronously to retrieve the response.
        // Request and response log performed only if configured via `initLogger()`
        $request = new Request($method, $uri, $headers, $body);
        $this->logRequest($request);
        $this->response = $this->jsonApiClient->sendRequest($request);
        $this->logResponse($this->response);
        if ($this->getStatusCode() >= 400) {
            // Something bad just happened.
            $response = $this->getResponseBody();
            // Message will be 'error` array, if absent use status massage
            $message = empty($response['error']) ? $this->getStatusMessage() : $response['error'];
            throw new BEditaClientException($message, $this->getStatusCode());
        }

        return $this->response;
    }

    /**
     * Create request URI from path.
     * If path is absolute, i.e. it starts with 'http://' or 'https://', path is unchanged.
     * Otherwise `$this->apiBaseUrl` is prefixed, prepending a `/` if necessary.
     *
     * @param string $path Endpoint URL path (with or without starting `/`) or absolute API path
     * @param array|null $query Query string parameters.
     * @return Uri
     */
    protected function requestUri(string $path, ?array $query = null): Uri
    {
        if (strpos($path, 'https://') !== 0 && strpos($path, 'http://') !== 0) {
            if (substr($path, 0, 1) !== '/') {
                $path = '/' . $path;
            }
            $path = $this->apiBaseUrl . $path;
        }
        $uri = new Uri($path);

        // if path contains query strings, remove them from path and add them to query filter
        parse_str($uri->getQuery(), $uriQuery);
        if ($query) {
            $query = array_merge((array)$uriQuery, (array)$query);
            $uri = $uri->withQuery(http_build_query($query));
        }

        return $uri;
    }

    /**
     * Unset Authorization from defaultHeaders.
     *
     * @return void
     */
    protected function unsetAuthorization(): void
    {
        if (!array_key_exists('Authorization', $this->defaultHeaders)) {
            return;
        }
        unset($this->defaultHeaders['Authorization']);
    }
}


1			<?php
2			/**
3			* BEdita, API-first content management framework
4			* Copyright 2022 Atlas Srl, ChannelWeb Srl, Chialab Srl
5			*
6			* Licensed under The MIT License
7			* For full copyright and license information, please see the LICENSE.txt
8			* Redistributions of files must retain the above copyright notice.
9			*/
10
11			namespace BEdita\SDK;
12
13			use GuzzleHttp\Psr7\Request;
14			use GuzzleHttp\Psr7\Uri;
15			use Http\Adapter\Guzzle7\Client;
16			use Psr\Http\Message\ResponseInterface;
17			use WoohooLabs\Yang\JsonApi\Client\JsonApiClient;
18
19			class BaseClient
20			{
21			use LogTrait;
22
23			/**
24			* Last response.
25			*
26			* @var \Psr\Http\Message\ResponseInterface
27			*/
28			private $response = null;
29
30			/**
31			* BEdita4 API base URL
32			*
33			* @var string
34			*/
35			private $apiBaseUrl = null;
36
37			/**
38			* BEdita4 API KEY
39			*
40			* @var string
41			*/
42			private $apiKey = null;
43
44			/**
45			* Default headers in request
46			*
47			* @var array
48			*/
49			private $defaultHeaders = [
50			'Accept' => 'application/vnd.api+json',
51			];
52
53			/**
54			* Default headers in request
55			*
56			* @var array
57			*/
58			private $defaultContentTypeHeader = [
59			'Content-Type' => 'application/json',
60			];
61
62			/**
63			* JWT Auth tokens
64			*
65			* @var array
66			*/
67			private $tokens = [];
68
69			/**
70			* JSON API BEdita4 client
71			*
72			* @var \WoohooLabs\Yang\JsonApi\Client\JsonApiClient
73			*/
74			private $jsonApiClient = null;
75
76			/**
77			* Setup main client options:
78			* - API base URL
79			* - API KEY
80			* - Auth tokens 'jwt' and 'renew' (optional)
81			*
82			* @param string $apiUrl API base URL
83			* @param string\|null $apiKey API key
84			* @param array $tokens JWT Autorization tokens as associative array ['jwt' => '###', 'renew' => '###']
85			* @param array $guzzleConfig Additional default configuration for GuzzleHTTP client.
86			* @return void
87			*/
88			public function __construct(string $apiUrl, ?string $apiKey = null, array $tokens = [], array $guzzleConfig = [])
89			{
90			$this->apiBaseUrl = $apiUrl;
91			$this->apiKey = $apiKey;
92
93			$this->defaultHeaders['X-Api-Key'] = $this->apiKey;
94			$this->setupTokens($tokens);
95
96			// setup an asynchronous JSON API client
97			$guzzleClient = Client::createWithConfig($guzzleConfig);
98			$this->jsonApiClient = new JsonApiClient($guzzleClient);
99			}
100
101			/**
102			* Setup JWT access and refresh tokens.
103			*
104			* @param array $tokens JWT tokens as associative array ['jwt' => '###', 'renew' => '###']
105			* @return void
106			*/
107			public function setupTokens(array $tokens): void
108			{
109			$this->tokens = $tokens;
110			if (!empty($tokens['jwt'])) {
111			$this->defaultHeaders['Authorization'] = sprintf('Bearer %s', $tokens['jwt']);
112			} else {
113			unset($this->defaultHeaders['Authorization']);
114			}
115			}
116
117			/**
118			* Get default headers in use on every request
119			*
120			* @return array Default headers
121			*/
122			public function getDefaultHeaders(): array
123			{
124			return $this->defaultHeaders;
125			}
126
127			/**
128			* Get API base URL used tokens
129			*
130			* @return string API base URL
131			*/
132			public function getApiBaseUrl(): string
133			{
134			return $this->apiBaseUrl;
135			}
136
137			/**
138			* Get current used tokens
139			*
140			* @return array Current tokens
141			*/
142			public function getTokens(): array
143			{
144			return $this->tokens;
145			}
146
147			/**
148			* Get last HTTP response
149			*
150			* @return ResponseInterface\|null Response PSR interface
151			*/
152			public function getResponse(): ?ResponseInterface
153			{
154			return $this->response;
155			}
156
157			/**
158			* Get HTTP response status code
159			* Return null if no response is available
160			*
161			* @return int\|null Status code.
162			*/
163			public function getStatusCode(): ?int
164			{
165			return $this->response ? $this->response->getStatusCode() : null;
166			}
167
168			/**
169			* Get HTTP response status message
170			* Return null if no response is available
171			*
172			* @return string\|null Message related to status code.
173			*/
174			public function getStatusMessage(): ?string
175			{
176			return $this->response ? $this->response->getReasonPhrase() : null;
177			}
178
179			/**
180			* Get response body serialized into a PHP array
181			*
182			* @return array\|null Response body as PHP array.
183			*/
184			public function getResponseBody(): ?array
185			{
186			$response = $this->getResponse();
187			if (empty($response)) {
188			return null;
189			}
190			$responseBody = json_decode((string)$response->getBody(), true);
191			if (!is_array($responseBody)) {
192			return null;
193			}
194
195			return $responseBody;
196			}
197
198			/**
199			* Refresh JWT access token.
200			*
201			* On success `$this->tokens` data will be updated with new access and renew tokens.
202			*
203			* @throws \BadMethodCallException Throws an exception if client has no renew token available.
204			* @throws \Cake\Network\Exception\ServiceUnavailableException Throws an exception if server response doesn't
205			* include the expected data.
206			* @return void
207			* @throws BEditaClientException Throws an exception if server response code is not 20x.
208			*/
209			public function refreshTokens(): void
210			{
211			if (empty($this->tokens['renew'])) {
212			throw new \BadMethodCallException('You must be logged in to renew token');
213			}
214
215			$headers = [
216			'Authorization' => sprintf('Bearer %s', $this->tokens['renew']),
217			];
218
219			$this->sendRequest('POST', '/auth', [], $headers);
220			$body = $this->getResponseBody();
221			if (empty($body['meta']['jwt'])) {
222			throw new BEditaClientException('Invalid response from server');
223			}
224
225			$this->setupTokens($body['meta']);
226			}
227
228			/**
229			* Send a generic JSON API request with a basic retry policy on expired token exception.
230			*
231			* @param string $method HTTP Method.
232			* @param string $path Endpoint URL path.
233			* @param array\|null $query Query string parameters.
234			* @param string[]\|null $headers Custom request headers.
235			* @param string\|resource\|\Psr\Http\Message\StreamInterface\|null $body Request body.
236			* @return \Psr\Http\Message\ResponseInterface
237			*/
238			protected function sendRequestRetry(string $method, string $path, ?array $query = null, ?array $headers = null, $body = null): ResponseInterface
239			{
240			try {
241			return $this->sendRequest($method, $path, $query, $headers, $body);
242			} catch (BEditaClientException $e) {
243			// Handle error.
244			$attributes = $e->getAttributes();
245			if ($e->getCode() !== 401 \|\| empty($attributes['code']) \|\| $attributes['code'] !== 'be_token_expired') {
246			// Not an expired token's fault.
247			throw $e;
248			}
249
250			// Refresh and retry.
251			$this->refreshTokens();
252			unset($headers['Authorization']);
253
254			return $this->sendRequest($method, $path, $query, $headers, $body);
255			}
256			}
257
258			/**
259			* Send a generic JSON API request and retrieve response $this->response
260			*
261			* @param string $method HTTP Method.
262			* @param string $path Endpoint URL path (with or without starting `/`) or absolute API path
263			* @param array\|null $query Query string parameters.
264			* @param string[]\|null $headers Custom request headers.
265			* @param string\|resource\|\Psr\Http\Message\StreamInterface\|null $body Request body.
266			* @return \Psr\Http\Message\ResponseInterface
267			* @throws BEditaClientException Throws an exception if server response code is not 20x.
268			*/
269			protected function sendRequest(string $method, string $path, ?array $query = null, ?array $headers = null, $body = null): ResponseInterface
270			{
271			$uri = $this->requestUri($path, $query);
272			$headers = array_merge($this->defaultHeaders, (array)$headers);
273
274			// set default `Content-Type` if not set and $body not empty
275			if (!empty($body)) {
276			$headers = array_merge($this->defaultContentTypeHeader, $headers);
277			}
278
279			// Send the request synchronously to retrieve the response.
280			// Request and response log performed only if configured via `initLogger()`
281			$request = new Request($method, $uri, $headers, $body);
282			$this->logRequest($request);
283			$this->response = $this->jsonApiClient->sendRequest($request);
284			$this->logResponse($this->response);
285			if ($this->getStatusCode() >= 400) {
286			// Something bad just happened.
287			$response = $this->getResponseBody();
288			// Message will be 'error` array, if absent use status massage
289			$message = empty($response['error']) ? $this->getStatusMessage() : $response['error'];
290			throw new BEditaClientException($message, $this->getStatusCode());
291			}
292
293			return $this->response;
294			}
295
296			/**
297			* Create request URI from path.
298			* If path is absolute, i.e. it starts with 'http://' or 'https://', path is unchanged.
299			* Otherwise `$this->apiBaseUrl` is prefixed, prepending a `/` if necessary.
300			*
301			* @param string $path Endpoint URL path (with or without starting `/`) or absolute API path
302			* @param array\|null $query Query string parameters.
303			* @return Uri
304			*/
305			protected function requestUri(string $path, ?array $query = null): Uri
306			{
307			if (strpos($path, 'https://') !== 0 && strpos($path, 'http://') !== 0) {
308			if (substr($path, 0, 1) !== '/') {
309			$path = '/' . $path;
310			}
311			$path = $this->apiBaseUrl . $path;
312			}
313			$uri = new Uri($path);
314
315			// if path contains query strings, remove them from path and add them to query filter
316			parse_str($uri->getQuery(), $uriQuery);
317			if ($query) {
318			$query = array_merge((array)$uriQuery, (array)$query);
319			$uri = $uri->withQuery(http_build_query($query));
320			}
321
322			return $uri;
323			}
324
325			/**
326			* Unset Authorization from defaultHeaders.
327			*
328			* @return void
329			*/
330			protected function unsetAuthorization(): void
331			{
332			if (!array_key_exists('Authorization', $this->defaultHeaders)) {
333			return;
334			}
335			unset($this->defaultHeaders['Authorization']);
336			}
337			}
338

bedita / php-sdk

Pull Request — master (#38)

BaseClient::refreshTokens() A

Complexity

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Duplication

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